1542255241 has 4 divisors (see below), whose sum is σ = 1543825152. Its totient is φ = 1540685332.

The previous prime is 1542255233. The next prime is 1542255257. The reversal of 1542255241 is 1425522451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1542255241 - 2³ = 1542255233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542255541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783481 + ... + 785446.

It is an arithmetic number, because the mean of its divisors is an integer number (385956288).

Almost surely, 2^1542255241 is an apocalyptic number.

It is an amenable number.

1542255241 is a deficient number, since it is larger than the sum of its proper divisors (1569911).

1542255241 is an equidigital number, since it uses as much as digits as its factorization.

1542255241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569910.

The product of its digits is 16000, while the sum is 31.

The square root of 1542255241 is about 39271.5576594563. The cubic root of 1542255241 is about 1155.3637881318.

Adding to 1542255241 its reverse (1425522451), we get a palindrome (2967777692).

The spelling of 1542255241 in words is "one billion, five hundred forty-two million, two hundred fifty-five thousand, two hundred forty-one".